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Installation and Operation Guide | DGS Modbus
Alarms
When an alarm condition becomes present, the red LED is lid immediately.
If a delay is configured for a given alarm, the buzzer, alarm relay and Modbus alarm are set ac-
tive after the delay has expired.
Critical alarm for high gas level
The gas level exceeds the full-scale value. Likely the sensor element needs replacing
The signal from the sensor is missing (sensor element defect or removed)
DGS unit due for calibration as it has been operating for 1 year or more
Warning alarm for high gas level
Menu Survey
Function
Gas level
Actual gas level in %
Actual gas level in ppm (OBS note
Alarms
Common indication of alarms (any alarms active excl. warn-
ings)
0 = No active alarm(s)
1 = Alarm(s) active
Common indication of both alarms incl. warnings
0 = No active alarm(s) or warning(s)
1 = Alarm(s) or warning(s)) active
Alarm limit in %
Alarm limit in ppm
High alarm delay in minutes, if set to 0 hardware jumper con-
figuration is used (hardware configured delay will be shown).
If set to value, software alarm delay is used.
When set to 1, the alarm relay and sounder are reset to no
alarm indication (mute a connected indicator). When the
alarm is reset or the timeout duration is exceeded, the value
is reset to 0.
OBS: The alarm condition is not reset only the relay indication
is reset. Used to mute an external alert (audible/visible)
0 = Alarm outputs not muted
1 = Alarm outputs muted
Maximum duration of alarm reset before automatic re-ena-
ble of external indicators (mute timeout in minutes) a value
of 0 disables ability to mute alarm.
Warning limit in %
Warning limit in ppm
Enables warning alarm when Warning limit exceeded
The communication system can only handle integer values in the range -32000 to 32000 and decimal values in the range -3200.0 to 3200.0.
1
2
Value equals fullscale range of specific product
© Danfoss | ADAP-KOOL® | 2016.12
Min
0.0
1
0
)
0
0
0.0
0
0
0
0
0.0
0
0
Limit alarm
Sensor saturated
Sensor out
Calibrate sensor
Warning limit al.
Max
Factory
Unit
100.0
0.0
%
2
0
ppm
FS
1
0
-
1
0
-
100.0
0.0
%
2
0
ppm
FS
10
0
min.
1
0
-
59
0
min
100.0
0.0
%
0
ppm
2
FS
1
0
min.
AKM name
Gas level %
Gas level ppm
Alarm settings
GD alarm
Common errors
Alarm limit %
Alarm limit ppm
Alarm delay
Reset alarm
Reset alarm time
Warning limit %
Warning lim. ppm
Warning Enable
RS8HJ102 | 19
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